1 /*
2  * Copyright (C) 2008 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package android.renderscript;
18 
19 
20 /**
21  * @hide
22  * @deprecated in API 16
23  * Program raster is primarily used to specify whether point sprites are enabled and to control
24  * the culling mode. By default, back faces are culled.
25  **/
26 public class ProgramRaster extends BaseObj {
27 
28     /**
29      * @deprecated in API 16
30      **/
31     public enum CullMode {
32         /**
33          * @deprecated in API 16
34          **/
35         BACK (0),
36         /**
37          * @deprecated in API 16
38          **/
39         FRONT (1),
40         /**
41          * @deprecated in API 16
42          **/
43         NONE (2);
44 
45         int mID;
CullMode(int id)46         CullMode(int id) {
47             mID = id;
48         }
49     }
50 
51     boolean mPointSprite;
52     CullMode mCullMode;
53 
ProgramRaster(long id, RenderScript rs)54     ProgramRaster(long id, RenderScript rs) {
55         super(id, rs);
56 
57         mPointSprite = false;
58         mCullMode = CullMode.BACK;
59     }
60 
61     /**
62      * @deprecated in API 16
63      * Specifies whether vertices are rendered as screen aligned
64      * elements of a specified size
65      * @return whether point sprites are enabled
66      */
isPointSpriteEnabled()67     public boolean isPointSpriteEnabled() {
68         return mPointSprite;
69     }
70 
71     /**
72      * @deprecated in API 16
73      * Specifies how triangles are culled based on their orientation
74      * @return cull mode
75      */
getCullMode()76     public CullMode getCullMode() {
77         return mCullMode;
78     }
79 
80     /**
81      * @deprecated in API 16
82      */
CULL_BACK(RenderScript rs)83     public static ProgramRaster CULL_BACK(RenderScript rs) {
84         if(rs.mProgramRaster_CULL_BACK == null) {
85             ProgramRaster.Builder builder = new ProgramRaster.Builder(rs);
86             builder.setCullMode(CullMode.BACK);
87             rs.mProgramRaster_CULL_BACK = builder.create();
88         }
89         return rs.mProgramRaster_CULL_BACK;
90     }
91 
92     /**
93      * @deprecated in API 16
94      */
CULL_FRONT(RenderScript rs)95     public static ProgramRaster CULL_FRONT(RenderScript rs) {
96         if(rs.mProgramRaster_CULL_FRONT == null) {
97             ProgramRaster.Builder builder = new ProgramRaster.Builder(rs);
98             builder.setCullMode(CullMode.FRONT);
99             rs.mProgramRaster_CULL_FRONT = builder.create();
100         }
101         return rs.mProgramRaster_CULL_FRONT;
102     }
103 
104     /**
105      * @deprecated in API 16
106      */
CULL_NONE(RenderScript rs)107     public static ProgramRaster CULL_NONE(RenderScript rs) {
108         if(rs.mProgramRaster_CULL_NONE == null) {
109             ProgramRaster.Builder builder = new ProgramRaster.Builder(rs);
110             builder.setCullMode(CullMode.NONE);
111             rs.mProgramRaster_CULL_NONE = builder.create();
112         }
113         return rs.mProgramRaster_CULL_NONE;
114     }
115 
116     /**
117      * @deprecated in API 16
118      */
119     public static class Builder {
120         RenderScript mRS;
121         boolean mPointSprite;
122         CullMode mCullMode;
123 
124         /**
125          * @deprecated in API 16
126          */
Builder(RenderScript rs)127         public Builder(RenderScript rs) {
128             mRS = rs;
129             mPointSprite = false;
130             mCullMode = CullMode.BACK;
131         }
132 
133         /**
134          * @deprecated in API 16
135          */
setPointSpriteEnabled(boolean enable)136         public Builder setPointSpriteEnabled(boolean enable) {
137             mPointSprite = enable;
138             return this;
139         }
140 
141         /**
142          * @deprecated in API 16
143          */
setCullMode(CullMode m)144         public Builder setCullMode(CullMode m) {
145             mCullMode = m;
146             return this;
147         }
148 
149         /**
150          * @deprecated in API 16
151          */
create()152         public ProgramRaster create() {
153             mRS.validate();
154             long id = mRS.nProgramRasterCreate(mPointSprite, mCullMode.mID);
155             ProgramRaster programRaster = new ProgramRaster(id, mRS);
156             programRaster.mPointSprite = mPointSprite;
157             programRaster.mCullMode = mCullMode;
158             return programRaster;
159         }
160     }
161 
162 }
163 
164 
165 
166 
167 
168 
169